coverity#1326730 DMI: Dubious method invocation

Change-Id: Icf44c82fc485d0172df2a9fb2cbe6b2be61630a1

jurt/com/sun/star/lib/uno/protocols/urp/urp.java

@@ -199,7 +199,7 @@ public final class urp implements IProtocol {
         if (propertiesTid == null) {
             propertiesTid = ThreadId.createFresh();
         }
-        random = new Random().nextInt();
+        random = randomGenerator.nextInt();
         writeRequest(
             true, PROPERTIES_OID,
             TypeDescription.getTypeDescription(XProtocolProperties.class),
@@ -723,6 +723,8 @@ public final class urp implements IProtocol {
 
     private static final int MAX_RELEASE_QUEUE_SIZE = 100;
 
+    private static final Random randomGenerator = new Random();
+
     private final DataInput input;
     private final DataOutputStream output;